Transcription of Chapter 4 Stratified Sampling - IITK
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Chapter 4 Stratified Sampling - IITK
Sampling Theory| Chapter 4 | Stratified Sampling | Shalabh, IIT kanpur Page 1 Chapter 4 Stratified Sampling An important objective in any estimation problem is to obtain an estimator of a population parameter which can take care of the salient features of the population. If the population is homogeneous with respect to the characteristic under study, then the method of simple random Sampling will yield a homogeneous sample and in turn, the sample mean will serve as a good estimator of population mean.
Sampling Theory| Chapter 4 | Stratified Sampling | Shalabh, IIT Kanpur Page 2 Now draw the samples by SRS from each of the strata 1, 2, 3 and 4. All the drawn samples combined together will constitute the final stratified sample for further analysis.
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